Equivalent & Substitute Parts for LXZ6.3VB103M16X35LL

Part Overview

The LXZ6.3VB103M16X35LL is a 10000 µF, 6.3 V aluminum electrolytic capacitor manufactured by Chemi-Con in the LXZ series. This radial, through-hole component is rated for 8000 hours at 105°C and is designed for general-purpose applications. The part is currently classified as obsolete, making identification of equivalent and substitute components essential for ongoing maintenance, repair, and legacy system support.

Key Parameters

Parameter	Value
Capacitance	10000 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ Temperature	8000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.295" (7.50 mm)
Diameter	0.630" (16.00 mm)
Height	1.378" (35.00 mm)
Ripple Current @ 120 Hz	2.6775 A
Ripple Current @ 100 kHz	3.15 A
Impedance	17 mOhms

Substitute Part Grouping Explanation

Substitution of the LXZ6.3VB103M16X35LL is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

Capacitance: 10000 µF (exact match required)
Voltage Rating: 6.3 V (exact match required)
Tolerance: ±20% (exact match required)
Lifetime @ Temperature: 8000 Hrs @ 105°C (exact match required)
Operating Temperature Range: -55°C ~ 105°C (exact match required)
Polarization: Polar (exact match required)

Mechanical Equivalence Criteria:

Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.295" (7.50 mm) (exact match required)
Diameter: 0.630" (16.00 mm) (exact match required)

Height Tolerance: Height variations within the radial can package are acceptable provided the component fits within the PCB layout constraints of the original design. Substitute parts with heights of 1.240" (31.50 mm) to 1.437" (36.50 mm) are mechanically compatible with the original 1.378" (35.00 mm) specification.

Two substitute parts meet these criteria and are identified below.

Parameter Comparison

Parameter	LXZ6.3VB103M16X35LL	ELXZ6R3ELL103ML35S	UPW0J103MHD
Manufacturer	Chemi-Con	Chemi-Con	Nichicon
Series	LXZ	LXZ	UPW
Capacitance	10000 µF	10000 µF	10000 µF
Voltage Rating	6.3 V	6.3 V	6.3 V
Tolerance	±20%	±20%	±20%
Lifetime @ 105°C	8000 Hrs	8000 Hrs	8000 Hrs
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Polarization	Polar	Polar	Polar
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)
Diameter	0.630" (16.00 mm)	0.630" (16.00 mm)	0.630" (16.00 mm)
Height	1.378" (35.00 mm)	1.437" (36.50 mm)	1.240" (31.50 mm)
Ripple Current @ 120 Hz	2.6775 A	2.6775 A	2.678 A
Ripple Current @ 100 kHz	3.15 A	3.15 A	3.15 A
Impedance	17 mOhms	17 mOhms	16 mOhms
Product Status	Obsolete	Active	Not For New Designs
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

ELXZ6R3ELL103ML35S (Chemi-Con LXZ Series)

This substitute is the primary equivalent for the LXZ6.3VB103M16X35LL. Both components are from the same Chemi-Con LXZ series and share identical electrical specifications. The ELXZ6R3ELL103ML35S is currently in active production status, ensuring long-term availability. This part carries AEC-Q200 automotive qualification and is ROHS3 compliant, providing enhanced regulatory compliance compared to the obsolete original part. The height difference of 0.059" (1.50 mm) is within acceptable mechanical tolerance for through-hole radial can packages. This part is the recommended choice for new procurement and legacy system replacement.

UPW0J103MHD (Nichicon UPW Series)

This substitute is a cross-manufacturer equivalent from Nichicon. All electrical parameters match the original specification exactly. The UPW0J103MHD is classified as "Not For New Designs," indicating limited future availability, but remains suitable for legacy system maintenance and repair applications where the original Chemi-Con part is unavailable. This part is ROHS3 compliant. The height of 1.240" (31.50 mm) is 0.138" (3.50 mm) shorter than the original, which may provide additional PCB layout flexibility in space-constrained applications. Impedance is marginally lower at 16 mOhms compared to 17 mOhms, representing a negligible performance difference.

Frequently Asked Questions (FAQ)

Q: Can ELXZ6R3ELL103ML35S be used as a direct replacement for LXZ6.3VB103M16X35LL?

A: Yes. Both parts are electrically and mechanically equivalent. The ELXZ6R3ELL103ML35S is from the same Chemi-Con LXZ series with identical capacitance, voltage, tolerance, lifetime, and operating temperature specifications. The height difference of 1.50 mm is within acceptable tolerance for radial can packages and does not affect PCB compatibility.

Q: What is the difference between the two substitute parts?

A: ELXZ6R3ELL103ML35S is manufactured by Chemi-Con (same manufacturer as the original) and is in active production with AEC-Q200 automotive qualification. UPW0J103MHD is manufactured by Nichicon and is classified as "Not For New Designs." Both are electrically equivalent. Choose ELXZ6R3ELL103ML35S for new procurement; UPW0J103MHD is suitable for legacy maintenance.

Q: Are there RoHS compliance differences?

A: Yes. The original LXZ6.3VB103M16X35LL is RoHS non-compliant. Both substitutes, ELXZ6R3ELL103ML35S and UPW0J103MHD, are ROHS3 compliant, providing improved environmental and regulatory compliance for replacement applications.

Q: Does the height difference affect PCB layout?

A: The substitute parts have heights of 1.437" (36.50 mm) and 1.240" (31.50 mm) compared to the original 1.378" (35.00 mm). These variations are within standard mechanical tolerance for radial can packages. Verify clearance in your specific PCB layout, particularly if the component is located near other tall components or under a heatsink.

Q: Can I use UPW0J103MHD for new designs?

A: No. UPW0J103MHD is classified as "Not For New Designs" by Nichicon. Use ELXZ6R3ELL103ML35S for new designs. UPW0J103MHD is suitable only for legacy system maintenance and repair where the original part is unavailable.

Q: Are the ripple current ratings identical?

A: Ripple current ratings are equivalent. Both substitutes support 2.6775 A @ 120 Hz and 3.15 A @ 100 kHz, matching the original specification. Impedance values are within 1 mOhm of the original, representing negligible performance variation.

Q: What is the lead spacing for all three parts?

A: All three parts have identical lead spacing of 0.295" (7.50 mm) and diameter of 0.630" (16.00 mm), ensuring direct PCB footprint compatibility.

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